Senior Plant Maintenance/Dredge

Martin Marietta • Sanger, CA

1d • $26 - $35

About The Position

The Senior Plant Maintenance Technician is a key technical leader responsible for ensuring the reliability, safety, and efficiency of plant equipment and systems. This includes stationary and mechanical systems such as conveyors, shakers, pumps, and gearboxes, as well as general facility maintenance involving electrical, plumbing, and basic structural systems. This role goes beyond routine maintenance—providing advanced troubleshooting, repair expertise, and mentoring for junior technicians. The role drives preventive maintenance programs, develops SOPs, and champions OSHA/MSHA compliant practices to maximize equipment uptime and plant safety, quality, and production. The Senior Plant Maintenance Technician optimizes production performance and supports continuous improvement initiatives.

Requirements

• High School Diploma, GED, or equivalent experience acceptable; technical training or coursework in maintenance or mechanical systems preferred
• 5+ years of related experience in heavy-duty maintenance or related field, preferably in the aggregates industry.
• Critical thinking
• Problem-solving
• Engineering standards
• Safety focus (MSHA/OSHA)
• Regulatory compliance
• Project Management
• Continuous improvement
• Effective oral and written communication

Responsibilities

• Performs evaluations of plant equipment seeking opportunities to improve availability, capability, and yield
• Studies trends to identify systemic plant maintenance needs
• Actively participates in broad-scale plant maintenance initiatives
• Works with vendors to procure plant maintenance support
• Develops reports on plant capacity and yield and related plant maintenance activities
• Maintains appropriate plant maintenance records of information and data in respective technological systems
• Conducts MSHA pre-shift safety inspections of equipment and work areas.
• Prioritizes SAFETY first, followed by QUALITY and PRODUCTION.
• Maximizes performance of stationary equipment by performing timely repairs and completing preventive maintenance according to the Maintenance Module.
• Checks, repairs, and replaces pumps, conveyors, gearboxes, and screens to minimize downtime.
• Operates cranes, man-lifts, welding and cutting tools, and other specialty equipment as needed.
• Performs fabrication, erection, and repair of processing and mobile equipment.
• Ensures maintenance backlog is reviewed and prioritized with the Supervisor and/or Plant Manager.
• Completes all required paperwork to maintain equipment in compliance with Martin Marietta standards.
• Trains and coaches other employees on maintenance best practices.
• In addition to the primary responsibilities outlined, the successful candidate may be expected to take on other tasks and assignments as required, including but not limited to duties outside the typical scope of the role to support overall team operations and organizational needs. Flexibility and adaptability to evolving job demands are essential.

Benefits

• In addition to our base compensation, we also offer a competitive benefits package for full-time employees, including medical, dental and vision coverage; prescription drug coverage; health savings accounts; flexible spending accounts; life, AD&D and disability insurance; 401(k) with a company match and an employer-funded defined benefit pension plan.
• Other benefits include paid time off, paid holidays, education/tuition assistance, an employee discount program, adoption assistance, wellness programs and more.
• Part time employees are eligible to participate in the 401k plan and receive a company match. In addition, they are eligible to start accruing service for the pension plan.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: High school or GED
• Number of Employees: 5,001-10,000 employees